Eighteen different hacking groups linked to various governments went after telecom companies in 2019, according to Symantec.
Analysts told CyberScoop that the report is another example of the challenges some telecom providers have in keeping spies out of their networks.
“As we would close one door, they would attempt to come back through another,” said Jon DiMaggio, senior cyberthreat analyst at the Symantec Enterprise Division, recalling Greenbug’s drive to stay on the Pakistani telecom companies’ networks after being discovered.
The telecom data offered a trove of information to spy on targets in Pakistan, and the hackers were determined to access the companies’ networks.
If cyber-espionage groups do manage to burrow into a telecom network undetected, Myers added, “then you have lots of different targets you can collect on.